Building block for construction or children&#39;s toy



FIG. 1 is a top plan view of a building block for construction or children's toy incorporating my design;

FIG. 2 is a rear elevational view as viewed from the top of FIG. 1;

FIG. 3 is a front elevational view as viewed from the bottom of FIG. 1;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view as viewed from the left side of FIG. 1; and,

FIG. 6 is a side elevational view as viewed from the right side of FIG. 1. 

The ornamental design of a building block for construction or children's toy, as shown and described. 